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Alexandra [31]
3 years ago
7

Help pls, teacher gave me work w no explanation on how to do it

Mathematics
1 answer:
KiRa [710]3 years ago
3 0

Answer:

3x² -16x - 12

factored:

(3x + 2)(x - 6)

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How many triangles can be constructed with angles measuring 25 degree, 25, degree and 130
timofeeve [1]
<span>Answer: Option (C) More than one

Explanation:
All triangles must satisfy the following condition:

"The sum of all the angles of a triangle should be 180°."

25° + 25° + 130° = 180° (The condition of a triangle is satisfied.)

HOWEVER, keeping angles the same as above, we can construct "More than one" triangles by varying the lengths of a triangle.

For example:
By keep the three angles of a triangle 25°, 25° and 130°, the triangle with the three sides of lengths 10, 10, 18.13 (respectively) is same as the triangle with the three sides of lengths 1, 1, 1.81 (respectively). Likewise, you can construct infinite number of triangles. Therefore, the correct option is "(C) More than one."</span>
8 0
4 years ago
Read 2 more answers
Match these terms with their descriptions.
Nikolay [14]

using symbols write the phrase: 5 more than the product of p and q

4 0
3 years ago
Help me please find x for this triangle!!!!
Ne4ueva [31]

Answer:

x=30

Step-by-step explanation:

Since the measure of an exterior angle is equal to the sum of any two angles in a triangle, the equation would be 4x-18=2x+6+36. Solve this, and we get x=30.

Hope this helped!

5 0
3 years ago
A swimming pool in the shape of a right rectangular prism is filled with water. The pool is 25 yards long, 10 yards wide, and 2
Elanso [62]

Answer:

10400 lb

Step-by-step explanation:

First find the volume of the water in the pool:  It is V = (length)(width)(height).

Here, V = (25 yds)(10 yds)(2/3 yd), or (500/3  yds³.

Then multiply this result by the unit rate (62.4 lb / ft³).  

The result is  10400 lb.  This is the weight of the water in the pool.

4 0
3 years ago
Simplify 8/10 please help me
Daniel [21]
Well to simplify 8/10 you divide by 2 for both numbers on top and bottom like this 8/10 divided by 2 would equal to 4/5 the answer will be 4/5
6 0
3 years ago
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